forked from OSchip/llvm-project
Revert r374388: "[lit] Make internal diff work in pipelines"
This breaks a Windows bot. llvm-svn: 374429
This commit is contained in:
Joel E. Denny
parent
26cd5c9370
commit
a71511feb5
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@ -1,5 +1,7 @@
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from __future__ import absolute_import
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import difflib
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import errno
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import functools
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import io
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import itertools
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import getopt
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@ -359,6 +361,218 @@ def executeBuiltinMkdir(cmd, cmd_shenv):
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exitCode = 1
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return ShellCommandResult(cmd, "", stderr.getvalue(), exitCode, False)
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def executeBuiltinDiff(cmd, cmd_shenv):
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"""executeBuiltinDiff - Compare files line by line."""
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args = expand_glob_expressions(cmd.args, cmd_shenv.cwd)[1:]
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try:
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opts, args = getopt.gnu_getopt(args, "wbur", ["strip-trailing-cr"])
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except getopt.GetoptError as err:
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raise InternalShellError(cmd, "Unsupported: 'diff': %s" % str(err))
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filelines, filepaths, dir_trees = ([] for i in range(3))
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ignore_all_space = False
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ignore_space_change = False
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unified_diff = False
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recursive_diff = False
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strip_trailing_cr = False
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for o, a in opts:
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if o == "-w":
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ignore_all_space = True
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elif o == "-b":
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ignore_space_change = True
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elif o == "-u":
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unified_diff = True
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elif o == "-r":
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recursive_diff = True
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elif o == "--strip-trailing-cr":
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strip_trailing_cr = True
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else:
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assert False, "unhandled option"
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if len(args) != 2:
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raise InternalShellError(cmd, "Error: missing or extra operand")
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def getDirTree(path, basedir=""):
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# Tree is a tuple of form (dirname, child_trees).
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# An empty dir has child_trees = [], a file has child_trees = None.
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child_trees = []
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for dirname, child_dirs, files in os.walk(os.path.join(basedir, path)):
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for child_dir in child_dirs:
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child_trees.append(getDirTree(child_dir, dirname))
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for filename in files:
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child_trees.append((filename, None))
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return path, sorted(child_trees)
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def compareTwoFiles(filepaths):
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compare_bytes = False
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encoding = None
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filelines = []
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for file in filepaths:
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try:
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with open(file, 'r') as f:
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filelines.append(f.readlines())
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except UnicodeDecodeError:
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try:
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with io.open(file, 'r', encoding="utf-8") as f:
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filelines.append(f.readlines())
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encoding = "utf-8"
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except:
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compare_bytes = True
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if compare_bytes:
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return compareTwoBinaryFiles(filepaths)
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else:
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return compareTwoTextFiles(filepaths, encoding)
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def compareTwoBinaryFiles(filepaths):
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filelines = []
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for file in filepaths:
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with open(file, 'rb') as f:
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filelines.append(f.readlines())
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exitCode = 0
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if hasattr(difflib, 'diff_bytes'):
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# python 3.5 or newer
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diffs = difflib.diff_bytes(difflib.unified_diff, filelines[0], filelines[1], filepaths[0].encode(), filepaths[1].encode())
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diffs = [diff.decode() for diff in diffs]
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else:
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# python 2.7
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func = difflib.unified_diff if unified_diff else difflib.context_diff
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diffs = func(filelines[0], filelines[1], filepaths[0], filepaths[1])
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for diff in diffs:
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stdout.write(diff)
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exitCode = 1
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return exitCode
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def compareTwoTextFiles(filepaths, encoding):
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filelines = []
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for file in filepaths:
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if encoding is None:
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with open(file, 'r') as f:
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filelines.append(f.readlines())
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else:
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with io.open(file, 'r', encoding=encoding) as f:
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filelines.append(f.readlines())
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exitCode = 0
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def compose2(f, g):
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return lambda x: f(g(x))
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f = lambda x: x
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if strip_trailing_cr:
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f = compose2(lambda line: line.rstrip('\r'), f)
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if ignore_all_space or ignore_space_change:
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ignoreSpace = lambda line, separator: separator.join(line.split())
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ignoreAllSpaceOrSpaceChange = functools.partial(ignoreSpace, separator='' if ignore_all_space else ' ')
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f = compose2(ignoreAllSpaceOrSpaceChange, f)
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for idx, lines in enumerate(filelines):
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filelines[idx]= [f(line) for line in lines]
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func = difflib.unified_diff if unified_diff else difflib.context_diff
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for diff in func(filelines[0], filelines[1], filepaths[0], filepaths[1]):
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stdout.write(diff)
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exitCode = 1
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return exitCode
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def printDirVsFile(dir_path, file_path):
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if os.path.getsize(file_path):
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msg = "File %s is a directory while file %s is a regular file"
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else:
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msg = "File %s is a directory while file %s is a regular empty file"
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stdout.write(msg % (dir_path, file_path) + "\n")
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def printFileVsDir(file_path, dir_path):
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if os.path.getsize(file_path):
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msg = "File %s is a regular file while file %s is a directory"
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else:
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msg = "File %s is a regular empty file while file %s is a directory"
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stdout.write(msg % (file_path, dir_path) + "\n")
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def printOnlyIn(basedir, path, name):
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stdout.write("Only in %s: %s\n" % (os.path.join(basedir, path), name))
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def compareDirTrees(dir_trees, base_paths=["", ""]):
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# Dirnames of the trees are not checked, it's caller's responsibility,
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# as top-level dirnames are always different. Base paths are important
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# for doing os.walk, but we don't put it into tree's dirname in order
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# to speed up string comparison below and while sorting in getDirTree.
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left_tree, right_tree = dir_trees[0], dir_trees[1]
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left_base, right_base = base_paths[0], base_paths[1]
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# Compare two files or report file vs. directory mismatch.
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if left_tree[1] is None and right_tree[1] is None:
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return compareTwoFiles([os.path.join(left_base, left_tree[0]),
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os.path.join(right_base, right_tree[0])])
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if left_tree[1] is None and right_tree[1] is not None:
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printFileVsDir(os.path.join(left_base, left_tree[0]),
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os.path.join(right_base, right_tree[0]))
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return 1
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if left_tree[1] is not None and right_tree[1] is None:
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printDirVsFile(os.path.join(left_base, left_tree[0]),
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os.path.join(right_base, right_tree[0]))
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return 1
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# Compare two directories via recursive use of compareDirTrees.
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exitCode = 0
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left_names = [node[0] for node in left_tree[1]]
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right_names = [node[0] for node in right_tree[1]]
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l, r = 0, 0
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while l < len(left_names) and r < len(right_names):
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# Names are sorted in getDirTree, rely on that order.
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if left_names[l] < right_names[r]:
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exitCode = 1
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printOnlyIn(left_base, left_tree[0], left_names[l])
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l += 1
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elif left_names[l] > right_names[r]:
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exitCode = 1
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printOnlyIn(right_base, right_tree[0], right_names[r])
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r += 1
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else:
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exitCode |= compareDirTrees([left_tree[1][l], right_tree[1][r]],
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[os.path.join(left_base, left_tree[0]),
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os.path.join(right_base, right_tree[0])])
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l += 1
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r += 1
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# At least one of the trees has ended. Report names from the other tree.
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while l < len(left_names):
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exitCode = 1
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printOnlyIn(left_base, left_tree[0], left_names[l])
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l += 1
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while r < len(right_names):
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exitCode = 1
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printOnlyIn(right_base, right_tree[0], right_names[r])
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r += 1
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return exitCode
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stderr = StringIO()
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stdout = StringIO()
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exitCode = 0
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try:
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for file in args:
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if not os.path.isabs(file):
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file = os.path.realpath(os.path.join(cmd_shenv.cwd, file))
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if recursive_diff:
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dir_trees.append(getDirTree(file))
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else:
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filepaths.append(file)
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if not recursive_diff:
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exitCode = compareTwoFiles(filepaths)
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else:
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exitCode = compareDirTrees(dir_trees)
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except IOError as err:
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stderr.write("Error: 'diff' command failed, %s\n" % str(err))
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exitCode = 1
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return ShellCommandResult(cmd, stdout.getvalue(), stderr.getvalue(), exitCode, False)
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def executeBuiltinRm(cmd, cmd_shenv):
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"""executeBuiltinRm - Removes (deletes) files or directories."""
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args = expand_glob_expressions(cmd.args, cmd_shenv.cwd)[1:]
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@ -624,6 +838,14 @@ def _executeShCmd(cmd, shenv, results, timeoutHelper):
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results.append(cmdResult)
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return cmdResult.exitCode
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if cmd.commands[0].args[0] == 'diff':
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if len(cmd.commands) != 1:
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raise InternalShellError(cmd.commands[0], "Unsupported: 'diff' "
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"cannot be part of a pipeline")
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cmdResult = executeBuiltinDiff(cmd.commands[0], shenv)
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results.append(cmdResult)
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return cmdResult.exitCode
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if cmd.commands[0].args[0] == 'rm':
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if len(cmd.commands) != 1:
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raise InternalShellError(cmd.commands[0], "Unsupported: 'rm' "
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@ -644,7 +866,7 @@ def _executeShCmd(cmd, shenv, results, timeoutHelper):
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stderrTempFiles = []
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opened_files = []
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named_temp_files = []
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builtin_commands = set(['cat', 'diff'])
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builtin_commands = set(['cat'])
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builtin_commands_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "builtin_commands")
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# To avoid deadlock, we use a single stderr stream for piped
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# output. This is null until we have seen some output using
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@ -1,228 +0,0 @@
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import difflib
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import functools
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import getopt
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import os
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import sys
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class DiffFlags():
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def __init__(self):
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self.ignore_all_space = False
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self.ignore_space_change = False
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self.unified_diff = False
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self.recursive_diff = False
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self.strip_trailing_cr = False
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def getDirTree(path, basedir=""):
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# Tree is a tuple of form (dirname, child_trees).
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# An empty dir has child_trees = [], a file has child_trees = None.
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child_trees = []
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for dirname, child_dirs, files in os.walk(os.path.join(basedir, path)):
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for child_dir in child_dirs:
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child_trees.append(getDirTree(child_dir, dirname))
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for filename in files:
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child_trees.append((filename, None))
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return path, sorted(child_trees)
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def compareTwoFiles(flags, filepaths):
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compare_bytes = False
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encoding = None
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filelines = []
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for file in filepaths:
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try:
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with open(file, 'r') as f:
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filelines.append(f.readlines())
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except UnicodeDecodeError:
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try:
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with io.open(file, 'r', encoding="utf-8") as f:
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filelines.append(f.readlines())
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encoding = "utf-8"
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except:
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compare_bytes = True
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if compare_bytes:
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return compareTwoBinaryFiles(flags, filepaths)
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else:
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return compareTwoTextFiles(flags, filepaths, encoding)
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def compareTwoBinaryFiles(flags, filepaths):
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filelines = []
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for file in filepaths:
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with open(file, 'rb') as f:
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filelines.append(f.readlines())
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exitCode = 0
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if hasattr(difflib, 'diff_bytes'):
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# python 3.5 or newer
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diffs = difflib.diff_bytes(difflib.unified_diff, filelines[0], filelines[1], filepaths[0].encode(), filepaths[1].encode())
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diffs = [diff.decode() for diff in diffs]
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else:
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# python 2.7
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if flags.unified_diff:
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func = difflib.unified_diff
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else:
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func = difflib.context_diff
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diffs = func(filelines[0], filelines[1], filepaths[0], filepaths[1])
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for diff in diffs:
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sys.stdout.write(diff)
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exitCode = 1
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return exitCode
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def compareTwoTextFiles(flags, filepaths, encoding):
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filelines = []
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for file in filepaths:
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if encoding is None:
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with open(file, 'r') as f:
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filelines.append(f.readlines())
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else:
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with io.open(file, 'r', encoding=encoding) as f:
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filelines.append(f.readlines())
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exitCode = 0
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def compose2(f, g):
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return lambda x: f(g(x))
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f = lambda x: x
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if flags.strip_trailing_cr:
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f = compose2(lambda line: line.rstrip('\r'), f)
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if flags.ignore_all_space or flags.ignore_space_change:
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ignoreSpace = lambda line, separator: separator.join(line.split())
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ignoreAllSpaceOrSpaceChange = functools.partial(ignoreSpace, separator='' if flags.ignore_all_space else ' ')
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f = compose2(ignoreAllSpaceOrSpaceChange, f)
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for idx, lines in enumerate(filelines):
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filelines[idx]= [f(line) for line in lines]
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func = difflib.unified_diff if flags.unified_diff else difflib.context_diff
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for diff in func(filelines[0], filelines[1], filepaths[0], filepaths[1]):
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sys.stdout.write(diff)
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exitCode = 1
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return exitCode
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def printDirVsFile(dir_path, file_path):
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if os.path.getsize(file_path):
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msg = "File %s is a directory while file %s is a regular file"
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else:
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msg = "File %s is a directory while file %s is a regular empty file"
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sys.stdout.write(msg % (dir_path, file_path) + "\n")
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def printFileVsDir(file_path, dir_path):
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if os.path.getsize(file_path):
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msg = "File %s is a regular file while file %s is a directory"
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else:
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msg = "File %s is a regular empty file while file %s is a directory"
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sys.stdout.write(msg % (file_path, dir_path) + "\n")
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def printOnlyIn(basedir, path, name):
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sys.stdout.write("Only in %s: %s\n" % (os.path.join(basedir, path), name))
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def compareDirTrees(flags, dir_trees, base_paths=["", ""]):
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# Dirnames of the trees are not checked, it's caller's responsibility,
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# as top-level dirnames are always different. Base paths are important
|
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# for doing os.walk, but we don't put it into tree's dirname in order
|
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# to speed up string comparison below and while sorting in getDirTree.
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left_tree, right_tree = dir_trees[0], dir_trees[1]
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left_base, right_base = base_paths[0], base_paths[1]
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# Compare two files or report file vs. directory mismatch.
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if left_tree[1] is None and right_tree[1] is None:
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return compareTwoFiles(flags,
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[os.path.join(left_base, left_tree[0]),
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os.path.join(right_base, right_tree[0])])
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if left_tree[1] is None and right_tree[1] is not None:
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printFileVsDir(os.path.join(left_base, left_tree[0]),
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os.path.join(right_base, right_tree[0]))
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return 1
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if left_tree[1] is not None and right_tree[1] is None:
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printDirVsFile(os.path.join(left_base, left_tree[0]),
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os.path.join(right_base, right_tree[0]))
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return 1
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# Compare two directories via recursive use of compareDirTrees.
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exitCode = 0
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left_names = [node[0] for node in left_tree[1]]
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right_names = [node[0] for node in right_tree[1]]
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l, r = 0, 0
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while l < len(left_names) and r < len(right_names):
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# Names are sorted in getDirTree, rely on that order.
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if left_names[l] < right_names[r]:
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exitCode = 1
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printOnlyIn(left_base, left_tree[0], left_names[l])
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l += 1
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elif left_names[l] > right_names[r]:
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exitCode = 1
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printOnlyIn(right_base, right_tree[0], right_names[r])
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r += 1
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else:
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exitCode |= compareDirTrees(flags,
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[left_tree[1][l], right_tree[1][r]],
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[os.path.join(left_base, left_tree[0]),
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os.path.join(right_base, right_tree[0])])
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l += 1
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r += 1
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# At least one of the trees has ended. Report names from the other tree.
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while l < len(left_names):
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exitCode = 1
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printOnlyIn(left_base, left_tree[0], left_names[l])
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l += 1
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while r < len(right_names):
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exitCode = 1
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printOnlyIn(right_base, right_tree[0], right_names[r])
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r += 1
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return exitCode
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def main(argv):
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args = argv[1:]
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try:
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opts, args = getopt.gnu_getopt(args, "wbur", ["strip-trailing-cr"])
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except getopt.GetoptError as err:
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sys.stderr.write("Unsupported: 'diff': %s\n" % str(err))
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||||
sys.exit(1)
|
||||
|
||||
flags = DiffFlags()
|
||||
filelines, filepaths, dir_trees = ([] for i in range(3))
|
||||
for o, a in opts:
|
||||
if o == "-w":
|
||||
flags.ignore_all_space = True
|
||||
elif o == "-b":
|
||||
flags.ignore_space_change = True
|
||||
elif o == "-u":
|
||||
flags.unified_diff = True
|
||||
elif o == "-r":
|
||||
flags.recursive_diff = True
|
||||
elif o == "--strip-trailing-cr":
|
||||
flags.strip_trailing_cr = True
|
||||
else:
|
||||
assert False, "unhandled option"
|
||||
|
||||
if len(args) != 2:
|
||||
sys.stderr.write("Error: missing or extra operand\n")
|
||||
sys.exit(1)
|
||||
|
||||
exitCode = 0
|
||||
try:
|
||||
for file in args:
|
||||
if not os.path.isabs(file):
|
||||
file = os.path.realpath(os.path.join(os.getcwd(), file))
|
||||
|
||||
if flags.recursive_diff:
|
||||
dir_trees.append(getDirTree(file))
|
||||
else:
|
||||
filepaths.append(file)
|
||||
|
||||
if not flags.recursive_diff:
|
||||
exitCode = compareTwoFiles(flags, filepaths)
|
||||
else:
|
||||
exitCode = compareDirTrees(flags, dir_trees)
|
||||
|
||||
except IOError as err:
|
||||
sys.stderr.write("Error: 'diff' command failed, %s\n" % str(err))
|
||||
exitCode = 1
|
||||
|
||||
sys.exit(exitCode)
|
||||
|
||||
if __name__ == "__main__":
|
||||
main(sys.argv)
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
# Check error on a unsupported diff (cannot be part of a pipeline).
|
||||
#
|
||||
# RUN: diff diff-error-0.txt diff-error-0.txt | echo Output
|
||||
|
|
@ -1,15 +0,0 @@
|
|||
# RUN: echo foo > %t.foo
|
||||
# RUN: echo bar > %t.bar
|
||||
|
||||
# Check output pipe.
|
||||
# RUN: diff %t.foo %t.foo | FileCheck -allow-empty -check-prefix=EMPTY %s
|
||||
# RUN: diff -u %t.foo %t.bar | FileCheck %s && false || true
|
||||
|
||||
# Fail so lit will print output.
|
||||
# RUN: false
|
||||
|
||||
# CHECK: @@
|
||||
# CHECK-NEXT: -foo
|
||||
# CHECK-NEXT: +bar
|
||||
|
||||
# EMPTY-NOT: {{.}}
|
||||
|
|
@ -34,20 +34,28 @@
|
|||
# CHECK: error: command failed with exit status: 127
|
||||
# CHECK: ***
|
||||
|
||||
# CHECK: FAIL: shtest-shell :: diff-error-0.txt
|
||||
# CHECK: *** TEST 'shtest-shell :: diff-error-0.txt' FAILED ***
|
||||
# CHECK: $ "diff" "diff-error-0.txt" "diff-error-0.txt"
|
||||
# CHECK: # command stderr:
|
||||
# CHECK: Unsupported: 'diff' cannot be part of a pipeline
|
||||
# CHECK: error: command failed with exit status: 127
|
||||
# CHECK: ***
|
||||
|
||||
# CHECK: FAIL: shtest-shell :: diff-error-1.txt
|
||||
# CHECK: *** TEST 'shtest-shell :: diff-error-1.txt' FAILED ***
|
||||
# CHECK: $ "diff" "-B" "temp1.txt" "temp2.txt"
|
||||
# CHECK: # command stderr:
|
||||
# CHECK: Unsupported: 'diff': option -B not recognized
|
||||
# CHECK: error: command failed with exit status: 1
|
||||
# CHECK: error: command failed with exit status: 127
|
||||
# CHECK: ***
|
||||
|
||||
# CHECK: FAIL: shtest-shell :: diff-error-2.txt
|
||||
# CHECK: *** TEST 'shtest-shell :: diff-error-2.txt' FAILED ***
|
||||
# CHECK: $ "diff" "temp.txt"
|
||||
# CHECK: # command stderr:
|
||||
# CHECK: Error: missing or extra operand
|
||||
# CHECK: error: command failed with exit status: 1
|
||||
# CHECK: Error: missing or extra operand
|
||||
# CHECK: error: command failed with exit status: 127
|
||||
# CHECK: ***
|
||||
|
||||
# CHECK: FAIL: shtest-shell :: diff-error-3.txt
|
||||
|
|
@ -74,43 +82,18 @@
|
|||
# CHECK: *** TEST 'shtest-shell :: diff-error-5.txt' FAILED ***
|
||||
# CHECK: $ "diff"
|
||||
# CHECK: # command stderr:
|
||||
# CHECK: Error: missing or extra operand
|
||||
# CHECK: error: command failed with exit status: 1
|
||||
# CHECK: Error: missing or extra operand
|
||||
# CHECK: error: command failed with exit status: 127
|
||||
# CHECK: ***
|
||||
|
||||
# CHECK: FAIL: shtest-shell :: diff-error-6.txt
|
||||
# CHECK: *** TEST 'shtest-shell :: diff-error-6.txt' FAILED ***
|
||||
# CHECK: $ "diff"
|
||||
# CHECK: # command stderr:
|
||||
# CHECK: Error: missing or extra operand
|
||||
# CHECK: error: command failed with exit status: 1
|
||||
# CHECK: Error: missing or extra operand
|
||||
# CHECK: error: command failed with exit status: 127
|
||||
# CHECK: ***
|
||||
|
||||
|
||||
# CHECK: FAIL: shtest-shell :: diff-pipes.txt
|
||||
|
||||
# CHECK: *** TEST 'shtest-shell :: diff-pipes.txt' FAILED ***
|
||||
|
||||
# CHECK: $ "diff" "{{[^"]*}}.foo" "{{[^"]*}}.foo"
|
||||
# CHECK-NOT: note
|
||||
# CHECK-NOT: error
|
||||
# CHECK: $ "FileCheck"
|
||||
# CHECK-NOT: note
|
||||
# CHECK-NOT: error
|
||||
|
||||
# CHECK: $ "diff" "-u" "{{[^"]*}}.foo" "{{[^"]*}}.bar"
|
||||
# CHECK: note: command had no output on stdout or stderr
|
||||
# CHECK: error: command failed with exit status: 1
|
||||
# CHECK: $ "FileCheck"
|
||||
# CHECK-NOT: note
|
||||
# CHECK-NOT: error
|
||||
# CHECK: $ "true"
|
||||
|
||||
# CHECK: $ "false"
|
||||
|
||||
# CHECK: ***
|
||||
|
||||
|
||||
# CHECK: FAIL: shtest-shell :: diff-r-error-0.txt
|
||||
# CHECK: *** TEST 'shtest-shell :: diff-r-error-0.txt' FAILED ***
|
||||
# CHECK: $ "diff" "-r"
|
||||
|
|
|
|||
Loading…
Reference in New Issue